Something that constrains; a restriction.
An irresistible force or compulsion.
A condition that a solution to an optimization problem must satisfy.
A linkage or other restriction that maintains database integrity.
The repression of one's feelings.
A rule restricting behaviour or action.
The degree of contact, in consonants.
Abnormal narrowing of a canal or duct in the body.
A general state of restrictiveness on behavior, action, or ideology.
A sternly critical remark or review.